US Army Corps of Engineers

Libby Dam & Lake Koocanusa

April 2025

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feetMidnight Storage kaf
1 2201 92 18 5.22 4.00 4.00 0.00 2405.89 2405.86 2118.00 287.86 2797.10
2 2205 92 19 5.40 4.00 4.00 0.00 2405.97 2405.93 2118.00 287.93 2799.80
3 2208 92 20 5.05 4.00 4.00 0.00 2406.03 2406.02 2118.00 288.02 2801.90
4 2206 92 21 4.70 4.00 4.00 0.00 2406.07 2406.06 2118.01 288.05 2803.30
5 2204 92 19 4.52 4.00 4.00 0.00 2406.10 2406.10 2118.00 288.10 2804.40
6 2202 92 18 4.88 4.00 4.00 0.00 2406.15 2406.14 2117.99 288.15 2806.10
7 2201 92 16 4.71 4.00 4.00 0.00 2406.19 2406.16 2118.00 288.16 2807.50
8 2201 92 16 5.23 4.00 4.00 0.00 2406.26 2406.21 2118.00 288.21 2809.90
9 2207 92 17 5.46 4.00 4.00 0.00 2406.40 2406.32 2118.00 288.32 2814.80
10 2200 92 18 5.76 4.00 4.00 0.00 2406.50 2406.46 2118.00 288.46 2818.30
11 2202 92 15 7.00 4.00 4.00 0.00 2406.67 2406.57 2118.00 288.57 2824.30
12 2203 92 17 6.47 4.00 4.00 0.00 2406.81 2406.73 2118.00 288.73 2829.20
13 2202 92 18 7.71 4.00 4.00 0.00 2407.02 2406.94 2118.00 288.94 2836.50
14 2199 92 18 7.54 4.00 4.00 0.00 2407.22 2407.14 2118.00 289.14 2843.60
15 2207 92 17 6.84 4.00 4.00 0.00 2407.38 2407.30 2118.01 289.29 2849.20
16 2203 92 17 7.38 4.00 4.00 0.00 2407.57 2407.51 2118.01 289.50 2855.90
17 2204 92 19 7.74 4.00 4.00 0.00 2407.78 2407.68 2118.01 289.67 2863.30
18 2202 92 19 7.22 4.00 4.00 0.00 2407.96 2407.87 2118.01 289.86 2869.70
19 2195 91 17 6.50 4.00 4.00 0.00 2408.10 2408.02 2118.02 290.00 2874.70
20 2202 92 16 8.66 4.00 4.00 0.00 2408.36 2408.26 2118.01 290.25 2883.90
21 2201 92 17 6.87 4.00 4.00 0.00 2408.52 2408.46 2117.99 290.47 2889.60
22 8.68 4.00 4.00 0.00 2408.78 2408.70 2117.99 290.71 2898.90
23 7.97 4.00 4.00 0.00 2409.00 2408.91 2117.99 290.92 2906.80
24 7.43 4.00 4.00 0.00 2409.19 2409.10 2117.98 291.12 2913.60
25 6.90 4.00 4.00 0.00 2409.35 2409.27 2117.98 291.29 2919.30
26 7.44 4.00 4.00 0.00 2409.54 2409.45 2117.98 291.47 2926.20
27 9.63 4.00 4.00 0.00 2409.85 2409.69 2117.97 291.72 2937.30
28 9.84 4.00 4.00 0.00 2410.17 2410.01 2117.98 292.03 2948.90
29
30
TOT 46255  373         
AVG 2203 92 18 6.74 4.00 4.00 0.00 2407.53 2407.46 2118.00 289.46 2854.79
MAX 2208   9.84 4.00 4.00 0.00 2410.17 2410.01 2118.02 292.03 2948.90
MIN 2195   4.52 4.00 4.00 0.00 2405.89 2405.86 2117.97 287.86 2797.10